Mac-Rd is a proton pump inhibitor that decreases the amount of acid produced in the stomach. Mac-Rd is used to treat symptoms of gastroesophageal reflexux disease (GERD) in adults and children who are at least 1 year old. Mac-Rd is used only in adults to treat conditions involving excessive stomach acid, such as Zollinger-Ellison syndrome. Mac-Rd is also used to promote healing of erosive esophagitis (damage to your esophagus caused by stomach acid). Mac-Rd may also be given with an antibiotic to prevent gastric ulcer caused by infection with helicobacter pylori (H. pylori). Mac-Rd is not for immediate relief of heartburn symptoms. Mac-Rd may also be used for purposes not listed in this medication guide.

You should avoid taking Mac RD Capsule 10's if you are allergic to Mac RD Capsule 10's or proton pump inhibitors, have gastric cancer, liver disease, low magnesium level (osteoporosis), low vitamin B12, pregnant or planning for pregnancy, and breastfeeding mothers. Mac RD Capsule 10's may interact with a blood thinner (warfarin), antifungal (ketoconazole), anti-HIV drug (atazanavir, nelfinavir), iron supplements, ampicillin antibiotic, anti-cancer drug (methotrexate). Let your doctor know if you are taking these medicines. Prolonged intake of Mac RD Capsule 10's may cause lupus erythematosus (an inflammatory condition in which the immune system attacks its own tissues), Vitamin B-12, and magnesium deficiency. Intake of Mac RD Capsule 10's may mask the symptom of gastric cancer, so if you have any severe stomach pain or gastric bleeding (blood in mucous or stool) immediately consult the doctor. Tell your doctor that you are using before having a specific blood test known as Chromogranin A.